NIGHTFOX ELC Series Electronic Photocontrols are designed for permanent installation within outdoor-rated electrical enclosures, in-wall junction boxes, or lighting fixtures. This standard, budget-friendly solution is suitable for use with high-efficiency, long-life LED luminaires. The unit mounts internally and requires a minimum enclosure aperture of 5/8" in diameter. Each control is equipped with 6" color-coded wire leads to ensure reliable and efficient installation.